Rotor for a ventilator with twelve blades



FIG. 1 is a front view of a rotor for a ventilator with twelve bladesaccording to the present design;

FIG. 2 is a right side view thereof;

The left side view thereof is the same as the right side view exceptrotated 180 degrees.

FIG. 3 is a rear view thereof; and,

FIG. 4 is a front perspective view thereof.

The broken lines shown on the bottom of the design are included for thepurpose of illustrating unclaimed features of the design and form nopart of the claimed design.

CLAIM The ornamental design for rotor for a ventilator with twelveblades, substantially as shown and described.